Patent · US Expired

Process for producing polyalkylene carbonates

US6617467B1 · kind B1 · utility

76Cited by

0References

20Claims

0Family size

Assignees

Inventors

Ulrich Müller · Neustadt, DE
Gerrit Luinstra · Mannheim, DE
Omar M. Yaghi · Los Angeles, US

Key dates

Filing date	Oct 25, 2002
Grant date	Sep 9, 2003
Priority date	—
Expiry date	Oct 25, 2022

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2531/847
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A polyalkylene carbonate, an alternating copolymer, may be prepared by the ring opening of an alkene oxide or an alkene oxide precursor in the presence of carbon dioxide or any substance delivering carbon oxide, in the presence of at least one catalyst comprising a metal-organic framework material, wherein said framework material comprises pores and a metal ion and an at least bidentate organic compound, said bidentate organic compound being coordinately bound to the metal ion.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.